242329999 has 4 divisors (see below), whose sum is σ = 244553320. Its totient is φ = 240106680.

The previous prime is 242329963. The next prime is 242330017. The reversal of 242329999 is 999923242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999923242 = 2 ⋅499961621.

It is a cyclic number.

It is not a de Polignac number, because 242329999 - 2⁹ = 242329487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242329949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111497 + ... + 1111714.

It is an arithmetic number, because the mean of its divisors is an integer number (61138330).

Almost surely, 2^242329999 is an apocalyptic number.

242329999 is a deficient number, since it is larger than the sum of its proper divisors (2223321).

242329999 is a wasteful number, since it uses less digits than its factorization.

242329999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223320.

The product of its digits is 629856, while the sum is 49.

The square root of 242329999 is about 15566.9521422788. The cubic root of 242329999 is about 623.4510970906.

The spelling of 242329999 in words is "two hundred forty-two million, three hundred twenty-nine thousand, nine hundred ninety-nine".